Meaning of SWITCH in English

SWITCH

Switch BrE AmE trademark

in the past, a type of system used for paying for goods and services in the UK, by which customers used a type of plastic card called a ↑ debit card , and money was immediately taken out of their bank account. Since 2002, Switch has been replaced by Maestro, the Mastercard ↑ brand of debit card.

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.